🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.3

Radius: 9.5

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.27 AU - 1.97 AU

Year: 1311 Days

Day: 9.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,508,924 km

• M1: 118,631 km (0.058 R)
• M2: 463,305 km (0.076 R)
• M3: 864,825 km (0.087 R)
• M4: 1,563,597 km (0.073 R)
• M5: 2,188,318 km (0.113 R)
• M6: 2,601,357 km (0.114 R)
• M7: 2,957,999 km (0.074 R)
• M8: 3,995,460 km (0.098 R)
• M9: 5,832,821 km (0.095 R)
• M10: 7,105,151 km (0.101 R)
• M11: 8,719,910 km (0.06 R)
• M12: 9,792,677 km (0.074 R)
• M13: 10,345,441 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.5

Radius: 9.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.52 AU - 2.04 AU

Year: 1510 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,508,924 km

• M1: 119,977 km (0.084 R)
• M2: 425,307 km (0.089 R)
• M3: 767,587 km (0.062 R)
• M4: 1,070,822 km (0.031 R)
• M5: 1,387,071 km (0.103 R)
• M6: 1,702,723 km (0.11 R)
• M7: 2,243,968 km (0.104 R)
• M8: 2,783,268 km (0.086 R)
• M9: 3,330,348 km (0.079 R)
• M10: 3,835,091 km (0.103 R)
• M11: 4,451,434 km (0.076 R)
• M12: 5,660,634 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.6

Radius: 10.8

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.36 AU - 3.74 AU

Year: 3387 Days

Day: 8.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,508,924 km

• M1: 134,339 km (0.089 R)
• M2: 559,197 km (0.07 R)
• M3: 990,637 km (0.11 R)
• M4: 2,058,915 km (0.109 R)
• M5: 2,542,266 km (0.06 R)
• M6: 3,808,762 km (0.099 R)
• M7: 4,847,569 km (0.111 R)
• M8: 5,524,201 km (0.094 R)
• M9: 6,262,466 km (0.053 R)
• M10: 7,201,043 km (0.108 R)
• M11: 8,442,107 km (0.065 R)
• M12: 9,194,136 km (0.089 R)
• M13: 10,335,118 km (0.11 R)
• M14: 11,343,707 km (0.089 R)

Asteroid Belt

Center: 3.45 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.4

Radius: 14.8

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.96 AU - 4.74 AU

Year: 4803 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 120.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,508,924 km

• M1: 184,005 km (0.055 R)
• M2: 770,579 km (0.077 R)
• M3: 1,483,562 km (0.12 R)
• M4: 1,992,344 km (0.048 R)
• M5: 2,788,205 km (0.105 R)
• M6: 3,578,531 km (0.082 R)
• M7: 4,830,066 km (0.104 R)
• M8: 6,245,861 km (0.118 R)
• M9: 7,891,138 km (0.101 R)
• M10: 9,922,827 km (0.066 R)
• M11: 12,066,564 km (0.104 R)
• M12: 13,548,331 km (0.114 R)
• M13: 14,309,186 km (0.075 R)
• M14: 19,968,174 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912

Radius: 8.5

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.53 AU - 6.61 AU

Year: 8358 Days

Day: 5.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,508,924 km

• M1: 105,766 km (0.074 R)
• M2: 420,819 km (0.05 R)
• M3: 1,404,425 km (0.112 R)
• M4: 2,832,486 km (0.1 R)
• M5: 3,418,311 km (0.078 R)
• M6: 3,948,337 km (0.099 R)
• M7: 4,952,587 km (0.082 R)
• M8: 5,733,638 km (0.083 R)
• M9: 6,594,274 km (0.073 R)
• M10: 7,174,564 km (0.051 R)
• M11: 7,704,440 km (0.119 R)
• M12: 8,129,597 km (0.11 R)
• M13: 9,261,455 km (0.059 R)
• M14: 10,649,872 km (0.111 R)
• M15: 12,058,935 km (0.077 R)
• M16: 12,343,470 km (0.072 R)
• M17: 12,985,394 km (0.12 R)
• M18: 13,710,944 km (0.103 R)
• M19: 16,049,608 km (0.063 R)
• M20: 19,564,858 km (0.108 R)
• M21: 20,117,174 km (0.097 R)
• M22: 23,739,836 km (0.105 R)
• M23: 26,414,646 km (0.106 R)
• M24: 29,902,670 km (0.046 R)
• M25: 30,741,016 km (0.097 R)
• M26: 33,911,593 km (0.082 R)
• M27: 36,221,085 km (0.101 R)
• M28: 41,408,242 km (0.097 R)
• M29: 42,712,436 km (0.052 R)
• M30: 44,178,495 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.2

Radius: 4.1

Gravity: 17.8 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.3 AU - 6.98 AU

Year: 9674 Days

Day: 22.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,508,924 km

• M1: 52,658 km (0.109 R)
• M2: 444,904 km (0.056 R)
• M3: 579,841 km (0.043 R)
• M4: 1,010,085 km (0.049 R)
• M5: 1,182,571 km (0.1 R)
• M6: 1,497,026 km (0.115 R)
• M7: 2,256,833 km (0.078 R)
• M8: 2,589,838 km (0.069 R)
• M9: 3,266,320 km (0.114 R)
• M10: 3,419,059 km (0.094 R)
• M11: 3,833,894 km (0.086 R)
• M12: 4,028,671 km (0.066 R)
• M13: 4,179,166 km (0.118 R)
• M14: 5,249,988 km (0.064 R)
• M15: 5,399,436 km (0.049 R)
• M16: 6,491,800 km (0.12 R)
• M17: 6,733,699 km (0.062 R)
• M18: 7,383,553 km (0.112 R)
• M19: 7,533,450 km (0.116 R)
• M20: 8,848,714 km (0.119 R)
• M21: 10,078,708 km (0.053 R)
• M22: 10,639,101 km (0.081 R)
• M23: 12,392,239 km (0.088 R)
• M24: 13,089,514 km (0.043 R)
• M25: 13,587,526 km (0.105 R)
• M26: 13,869,518 km (0.069 R)
• M27: 17,233,974 km (0.085 R)
• M28: 17,564,436 km (0.09 R)
• M29: 22,487,402 km (0.078 R)
• M30: 23,847,696 km (0.045 R)
• M31: 25,008,276 km (0.082 R)
• M32: 29,743,348 km (0.09 R)
• M33: 34,205,104 km (0.107 R)
• M34: 34,517,465 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593

Radius: 7.6

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.04 AU - 9.6 AU

Year: 13904 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,508,924 km

• M1: 94,546 km (0.108 R)
• M2: 569,818 km (0.086 R)
• M3: 813,214 km (0.075 R)
• M4: 1,355,058 km (0.079 R)
• M5: 1,675,047 km (0.112 R)
• M6: 1,991,297 km (0.099 R)
• M7: 3,019,334 km (0.106 R)
• M8: 3,896,725 km (0.065 R)
• M9: 4,214,322 km (0.102 R)
• M10: 5,446,260 km (0.034 R)
• M11: 6,145,032 km (0.113 R)
• M12: 8,268,873 km (0.103 R)
• M13: 9,444,413 km (0.116 R)
• M14: 11,294,789 km (0.084 R)
• M15: 12,305,322 km (0.096 R)
• M16: 15,198,545 km (0.059 R)
• M17: 16,577,538 km (0.113 R)
• M18: 16,878,081 km (0.116 R)
• M19: 21,389,055 km (0.108 R)
• M20: 24,448,780 km (0.115 R)
• M21: 29,292,909 km (0.066 R)
• M22: 29,622,174 km (0.11 R)
• M23: 33,171,084 km (0.094 R)
• M24: 51,309,078 km (0.113 R)
• M25: 56,061,353 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.4

Radius: 6.2

Gravity: 14.5 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.9 AU - 8.18 AU

Year: 14495 Days

Day: 15.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,508,924 km

• M1: 77,940 km (0.064 R)
• M2: 348,563 km (0.032 R)
• M3: 599,588 km (0.111 R)
• M4: 839,094 km (0.09 R)
• M5: 2,078,513 km (0.086 R)
• M6: 2,306,949 km (0.031 R)
• M7: 3,144,098 km (0.077 R)
• M8: 4,886,764 km (0.095 R)
• M9: 5,223,658 km (0.053 R)
• M10: 16,383,660 km (0.08 R)
• M11: 20,133,480 km (0.039 R)
• M12: 20,390,639 km (0.1 R)
• M13: 25,203,352 km (0.043 R)
• M14: 28,620,466 km (0.082 R)
• M15: 32,451,518 km (0.097 R)
• M16: 39,349,925 km (0.103 R)
• M17: 40,428,226 km (0.095 R)
• M18: 53,128,786 km (0.064 R)
• M19: 57,143,694 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.6

Radius: 5.2

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.66 AU - 10.76 AU

Year: 20743 Days

Day: 21.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 130.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,508,924 km

• M1: 64,626 km (0.062 R)
• M2: 236,514 km (0.114 R)
• M3: 441,015 km (0.065 R)
• M4: 627,713 km (0.041 R)
• M5: 922,570 km (0.099 R)
• M6: 1,320,351 km (0.115 R)
• M7: 1,486,554 km (0.09 R)
• M8: 1,898,846 km (0.093 R)
• M9: 2,131,919 km (0.059 R)
• M10: 2,362,150 km (0.114 R)
• M11: 3,425,791 km (0.029 R)
• M12: 3,625,205 km (0.104 R)
• M13: 4,173,631 km (0.099 R)
• M14: 4,637,085 km (0.108 R)
• M15: 5,134,199 km (0.068 R)
• M16: 5,904,927 km (0.056 R)
• M17: 9,102,731 km (0.071 R)
• M18: 9,880,191 km (0.066 R)
• M19: 13,019,054 km (0.116 R)
• M20: 14,294,675 km (0.092 R)
• M21: 15,190,018 km (0.09 R)
• M22: 15,807,259 km (0.099 R)
• M23: 16,683,155 km (0.089 R)
• M24: 17,844,184 km (0.083 R)
• M25: 18,705,718 km (0.085 R)
• M26: 20,233,411 km (0.107 R)
• M27: 28,086,701 km (0.083 R)
• M28: 32,554,441 km (0.115 R)
• M29: 37,473,369 km (0.109 R)
• M30: 43,170,654 km (0.06 R)
• M31: 46,787,183 km (0.104 R)
• M32: 47,599,350 km (0.097 R)
• M33: 58,463,297 km (0.029 R)
• M34: 60,165,870 km (0.055 R)
• M35: 60,933,158 km (0.099 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 18,786 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit